Multiple Choice
Which of these is not an oxidation-reduction reaction?
A) CuO(s) + H2(g) → Cu(s) + H2O(l)
B) CO2(g) + H2(g) → CO(g) + H2O(l)
C) I − (aq) + NO3 − (aq) → NO(g) + I 2 (s)
D) Mn(OH) 2(s) + MnO4 − (aq) → MnO42 − (aq)
E) HCl(aq) + NaOH(aq) → NaCl(aq) + H2O (l)
Correct Answer:

Verified
Correct Answer:
Verified
Q61: The best sources of antioxidants are _.<br>A)
Q62: Which of these is correctly associated with
Q63: Coating iron with a more oxidative metal
Q64: Which of these occur(s) during reduction?<br>I. Losing
Q65: Which of these is a redox process?<br>I.
Q67: Which of these substances is the most
Q68: Which of the following statements about the
Q69: How many electrons are transferred in the
Q70: Which of these statements correctly explains why
Q71: Which statement about an electrochemical cell is